public bool CheckAuth(string OrRoles, string AndRoles)
        {
            this.CurrentSession = this.m_SessionManager.CheckSessionValidity(this.CurrentSession);

            if (this.CurrentSession != null && this.CurrentSession.MemberId > 0)
            {
                GanzAdminDbEngine db     = GanzAdminDbEngine.Instance;
                Member            member = db.Members.FindById(this.CurrentSession.MemberId);
                if (string.IsNullOrEmpty(OrRoles) && string.IsNullOrEmpty(AndRoles))
                {
                    return(true);
                }
                else if (OrRoles != null && (member.Roles.ContainsAny(OrRoles.Split(' ').ToList()) || member.Roles.Contains(Permissions.Overlord)))
                {
                    return(true);
                }
                else if (AndRoles != null && (member.Roles.ContainsAll(AndRoles.Split(' ').ToList()) || member.Roles.Contains(Permissions.Overlord)))
                {
                    return(true);
                }
                else
                {
                    return(false);
                }
            }
            else
            {
                return(false);
            }
        }
        public bool TrySignIn(string user, string pass, bool remindMe)
        {
            bool result = false;

            GanzAdminDbEngine db     = GanzAdminDbEngine.Instance;
            Member            member = db.Members.FindOne(m => m.Username.ToLower() == user.ToLower());

            if (member != null && member.Password == GanzUtils.Sha256(pass))
            {
                this.SignIn(member, remindMe ? 30 : 1, remindMe);
                result = true;
            }

            return(result);
        }